| 摘要 |
PROBLEM TO BE SOLVED: To detect the fraudulent opening of a big winning device in a pinball game machine. SOLUTION: While it is not during a special game (S21:NO), when the detection signal of a count switch 42b is inputted (S22: input), it means that the big winning device 42 is fraudulently opened (fraudulent action). A performance control board 48 outputs an abnormal signal to an external connection terminal device 51 (S23), and the abnormal signal is transmitted to a hall computer. By monitoring the presence/absence of the abnormal signal, the fraudulent opening of the big winning device 42 is detected and is coped with. COPYRIGHT: (C)2008,JPO&INPIT
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